Aircraft_Finishes

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1、AircraftFinishesBenFairIntroductionReasonsforfinishesProtectionPleasingappearanceTheseslidesgiveageneraloverviewofinformationpertainingtoaircraftfinishesanddealprimarilywithspayedonpaintfinishesaswellasregistrationmarks.FinishingMaterialsPrimerTherearenum

2、erousdifferentprimersonthemarketandeachhasitsowncharacteristicswhichmakeitsuitableforaspecificpurposeorprocess.TypesofprimersWashprimerZincchromatewashprimerPrimer(istypicallyanepoxyorurethaneprimer)RedironoxideGrayenamelundercoatFinishingmaterials(con.t)

3、PaintTypesofpaintLaquerEasytoapplyEasytorepairCanbefuelorchemicalresistantMayneedtobebuffedtoreachmaximumglossinessEnamelAcrylicenamelsprovideaglossysurfacewhichisveryresistanttoscratchingduetoitshardnessMorecareisneededduringapplicationDryingtimeislonger

4、HardertorepairPaint(cont.)PolyurethaneExcellentdurabilityExcellentweatherresistanceExcellentchemicalresistanceTypicallyfoundinareaswhereSkydrolisfoundShouldnotbewaxedHardtostripContentsofPaintPigmentProvidescoloranddurabilityAlsoimprovesthestrengthofthepa

5、intBinderHoldsthepigmentinliquidformWhenapplieditthengivesthepainttheabilitytoadheretothesurface.ContentsofPaint(cont.)SolventEffectivelythinsthepaintItcarriesthepigmentandbinderUsedtoregulatehowmuchapaintflowsCalleda“thinner”whenusedwithlacquerCalleda“re

6、ducer”whenusedwithenamelContentsofPaint(cont.)AdditivesComposeonlyasmallpercentageofthepaintUsedtoalterthephysicalandchemicalpropertiesofthepaintProvideamoreglossyappearanceSpeeddryingtimeImprovechemicalresistanceImprovestrengthImprovecorrosionresistanceI

7、mprovetheappearanceofthepaintMetalflakeImproveweatherresistanceSprayPaintEquipmentSpraybooth&exhaustsystemsUsedtocontainfumesandkeeptheairaroundtheaircraftcleanCompressed-airsystemSpraygunsElectrostaticGravityfedSiphonfedPressurefedSprayEquipmentClassific

8、ationAirlesssprayingPaintsolelyisforcedoutunderpressureandatomizesafterexitingthepaintgun.AirsprayingPaintisdeliveredtothepaintgunbymeansofthepreviouslydiscussedgravity,siphon,orpressuremeansandthenatomizedinthepain